Polluted by sewage 18 hours in 2026 so far..
What's a potential overflow? If the CSO goes 'Offline' while its Overflowing, we don't know if it stopped overflowing until we get a 'Stop' event.
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Donate Now| Company | Site Name | Receiving Waterway | Overflow Days | Total Duration (hours) | Offline/Potential Pollution |
|---|---|---|---|---|---|
| Thames Water | Lindsay drive, falcon way | Wealdstone Brook | 10 | 18h | - |
| Thames Water | North End Road CSO | N/A | 0 | 0h | - |
| Thames Water | Lindsay drive, falcon way | Wealdstone Brook | 0 | 0h | - |
| Thames Water | Sudbury heights ave, allendale road | Wembley Brook | 0 | 0h | - |
| Thames Water | District road | Wembley Brook | 0 | 0h | - |
| Thames Water | District road | Wembley Brook | 0 | 0h | - |
| Thames Water | Sudbury heights ave, allendale road | Wembley Brook | 0 | 0h | - |
| Thames Water | North End Road CSO | N/A | 0 | 0h | - |
| Thames Water | Alperton Lane | N/A | 0 | 0h | - |
| Thames Water | Lyon park avenue | Wembley Brook | 0 | 0h | - |
| Thames Water | Lyon park avenue | Wembley Brook | 0 | 0h | - |
| Thames Water | East Lane CSO 1 | N/A | 0 | 0h | - |
| Thames Water | East Lane CSO 1 | N/A | 0 | 0h | - |
| Thames Water | Alperton Lane | N/A | 0 | 0h | - |
EDM (Event Duration Monitoring) data and Consented Discharges to Controlled Waters with Conditions from Environment Agency & Data Map Wales, and Scottish Water
Experimental derived data from Thames Water API, Some data may be missing or inaccurate. Live sewage data from Stream Water API
Uses Environment Agency rainfall data from the real-time data API (Beta) - Rainfall data is delayed by up to two days.
This website is intended to provide an accurate representation of the Environment Agency data. The data is hard to use, and thus some errors may have been made. If you find something that is incorrect, please raise an issue at the GitHub issues page and we'll endeavour to fix it quickly.
This project is not associated, approved or endorsed by any of the companies whose logos you see here.